﻿/* Demo Note:  This demo uses a FileProgress class that handles the UI for displaying the file name and percent complete.
The FileProgress class is not part of SWFUpload.
*/


/* **********************
Event Handlers
These are my custom event handlers to make my
web application behave the way I went when SWFUpload
completes different tasks.  These aren't part of the SWFUpload
package.  They are part of my application.  Without these none
of the actions SWFUpload makes will show up in my application.
********************** */
function fileQueued(file) {
    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setStatus("准备...");
        progress.toggleCancel(true, this);

    } catch (ex) {
        this.debug(ex);
    }

}

function fileQueueError(file, errorCode, message) {
    try {
        if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
            alert("选择文件数超出限制：\n" + (message === 0 ? "上传文件超出限制." : "每次最多可以上传" + (message > 1 ? message + " " : "1个.")));
            return;
        }

        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setError();
        progress.toggleCancel(false);

        switch (errorCode) {
            case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
                progress.setStatus("超出单文件最大容量.");
                this.debug("提示: 文件太大, 文件名: " + file.name + ", 文件大小: " + file.size + ", 信息: " + message);
                break;
            case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
                progress.setStatus("不能上传0Byte文件.");
                this.debug("提示: 0Byte文件, 文件名: " + file.name + ", 文件大小: " + file.size + ", 信息: " + message);
                break;
            case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
                progress.setStatus("不允许的文件类型");
                this.debug("提示: 不允许上传该类型文件, 文件名: " + file.name + ", 文件大小: " + file.size + ", 信息: " + message);
                break;
            default:
                if (file !== null) {
                    progress.setStatus("未知错误");
                }
                this.debug("提示: " + errorCode + ", 文件名: " + file.name + ", 文件大小: " + file.size + ", 信息: " + message);
                break;
        }
    } catch (ex) {
        this.debug(ex);
    }
}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
    try {
        //		if (numFilesSelected > 0) {
        //			document.getElementById(this.customSettings.cancelButtonId).disabled = false;
        //		}
        //		
        /* I want auto start the upload and I can do that here */
        /*  after file ready upload files directly::  this.startUpload();*/
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadStart(file) {
    try {
        /* I don't want to do any file validation or anything,  I'll just update the UI and
        return true to indicate that the upload should start.
        It's important to update the UI here because in Linux no uploadProgress events are called. The best
        we can do is say we are uploading.
        */
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setStatus("上传中...");
        progress.toggleCancel(true, this);
    }
    catch (ex) { }

    return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {
    try {
        var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);

        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setProgress(percent);
        progress.setStatus("上传中...");
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadSuccess(file, serverData) {
    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setComplete();
        progress.setStatus("完成.");
        progress.toggleCancel(false);

    } catch (ex) {
        this.debug(ex);
    }
}

function uploadError(file, errorCode, message) {
    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setError();
        progress.toggleCancel(false);

        switch (errorCode) {
            case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
                progress.setStatus("上传出错: " + message);
                this.debug("出错代码: HTTP 错误, 文件名: " + file.name + ", 消息: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
                progress.setStatus("Upload Failed.");
                this.debug("出错代码: Upload Failed, 文件名: " + file.name + ", 文件大小: " + file.size + ", 消息: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.IO_ERROR:
                progress.setStatus("Server (IO) Error");
                this.debug("出错代码: IO Error, 文件名: " + file.name + ", 消息: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
                progress.setStatus("Security Error");
                this.debug("出错代码: Security Error, 文件名: " + file.name + ", 消息: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
                progress.setStatus("Upload limit exceeded.");
                this.debug("出错代码: Upload Limit Exceeded, 文件名: " + file.name + ", 文件大小: " + file.size + ", 消息: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
                progress.setStatus("Failed Validation.  Upload skipped.");
                this.debug("出错代码: File Validation Failed, 文件名: " + file.name + ", 文件大小: " + file.size + ", 消息: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
                // If there aren't any files left (they were all cancelled) disable the cancel button
                //			if (this.getStats().files_queued === 0) {
                //				document.getElementById(this.customSettings.cancelButtonId).disabled = true;
                //			}
                //			progress.setStatus("已取消");
                progress.setCancelled();
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
                progress.setStatus("已停止");
                break;
            default:
                progress.setStatus("Unhandled Error: " + errorCode);
                this.debug("出错代码: " + errorCode + ", 文件名: " + file.name + ", 文件大小: " + file.size + ", 消息: " + message);
                break;
        }
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadComplete(file) {
    //	if (this.getStats().files_queued === 0) {
    //		document.getElementById(this.customSettings.cancelButtonId).disabled = true;
    //	}
}

// This event comes from the Queue Plugin
function queueComplete(numFilesUploaded) {
    //	var status = document.getElementById("divStatus");
    //	status.innerHTML = numFilesUploaded + " 文件" + " 已被上传.";
}